Boat hull



FIG. 1 is a bottom left perspective view of a boat hull with the upper edge being shown in phantom lines;

FIG. 2 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view of the outline of the outer upper edge in phantom lines;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view taken thereof with the upper edge and inner configuration in phantom lines.

The phantom lines represent portions of the article that form no part of the claim. 

The ornamental design for a boat hull, as shown and described. 